The SUSE operating system must enforce a delay of at least four (4) seconds between logon prompts following a failed logon attempt.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-77073	SLES-12-010140	SV-91769r1_rule		Medium

Description
Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account.

STIG	Date
SLES 12 Security Technical Implementation Guide	2018-09-27

Details

Check Text ( C-76683r1_chk )

Verify the SUSE operating system enforces a delay of at least four (4) seconds between logon prompts following a failed logon attempt. Check that the SUSE operating system enforces a delay of at least four (4) seconds between logon prompts following a failed logon attempt with the following command: # grep FAIL_DELAY /etc/login.defs FAIL_DELAY 4 If the value of "FAIL_DELAY" is not set to "4", "FAIL_DELAY" is commented out, or "FAIL_DELAY" is missing, then this is a finding.

Fix Text (F-83771r1_fix)
Configure the SUSE operating system to enforce a delay of at least four (4) seconds between logon prompts following a failed logon attempt. Add or update the following variable in "/etc/login.defs" to match the line below ("FAIL_DELAY" must have a value of "4" or higher): FAIL_DELAY 4